Documentation/devicetree/bindings/mmc/sdhci-pxa.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mmc/sdhci-pxa.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Marvell PXA SDHCI v2/v3 bindings
   8
   9 maintainers:
  10   - Ulf Hansson <ulf.hansson@linaro.org>
  11
  12 allOf:
  13   - $ref: mmc-controller.yaml#
  14   - if:
  15       properties:
  16         compatible:
  17           contains:
  18             const: marvell,armada-380-sdhci
  19     then:
  20       properties:
  21         regs:
  22           minItems: 3
  23         reg-names:
  24           minItems: 3
  25       required:
  26         - reg-names
  27     else:
  28       properties:
  29         regs:
  30           maxItems: 1
  31         reg-names:
  32           maxItems: 1
  33
  34 properties:
  35   compatible:
  36     enum:
  37       - mrvl,pxav2-mmc
  38       - mrvl,pxav3-mmc
  39       - marvell,armada-380-sdhci
  40
  41   reg:
  42     minItems: 1
  43     maxItems: 3
  44
  45   reg-names:
  46     items:
  47       - const: sdhci
  48       - const: mbus
  49       - const: conf-sdio3
  50
  51   interrupts:
  52     maxItems: 1
  53
  54   clocks:
  55     minItems: 1
  56     maxItems: 2
  57
  58   clock-names:
  59     minItems: 1
  60     items:
  61       - const: io
  62       - const: core
  63
  64   mrvl,clk-delay-cycles:
  65     description: Specify a number of cycles to delay for tuning.
  66     $ref: /schemas/types.yaml#/definitions/uint32
  67
  68 required:
  69   - compatible
  70   - reg
  71   - interrupts
  72   - clocks
  73   - clock-names
  74
  75 unevaluatedProperties: false
  76
  77 examples:
  78   - |
  79     #include <dt-bindings/clock/berlin2.h>
  80     mmc@d4280800 {
  81         compatible = "mrvl,pxav3-mmc";
  82         reg = <0xd4280800 0x800>;
  83         bus-width = <8>;
  84         interrupts = <27>;
  85         clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
  86         clock-names = "io", "core";
  87         non-removable;
  88         mrvl,clk-delay-cycles = <31>;
  89     };
  90   - |
  91     mmc@d8000 {
  92         compatible = "marvell,armada-380-sdhci";
  93         reg-names = "sdhci", "mbus", "conf-sdio3";
  94         reg = <0xd8000 0x1000>,
  95               <0xdc000 0x100>,
  96               <0x18454 0x4>;
  97         interrupts = <0 25 0x4>;
  98         clocks = <&gateclk 17>;
  99         clock-names = "io";
 100         mrvl,clk-delay-cycles = <0x1F>;
 101     };
 102
 103 ...